fix sdl new string policies

c2d21ab04f2 Backends: SDL3: Update for API changes: SDL_GetClipboardText() string ownership change. (#7801)

git-subtree-dir: external/imgui/imgui
git-subtree-split: c2d21ab04f26a9846fc303dae710a57446bbe4d3

external/imgui/imgui/backends/imgui_impl_sdl3.cpp

@@ -21,6 +21,8 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
+//  2024-07-18: Update for SDL3 api changes: SDL_GetClipboardText() string ownership change. (#7801)
+//  2024-07-15: Update for SDL3 api changes: SDL_GetProperty() change to SDL_GetPointerProperty(). (#7794)
 //  2024-07-02: Update for SDL3 api changes: SDLK_x renames and SDLK_KP_x removals (#7761, #7762).
 //  2024-07-01: Update for SDL3 api changes: SDL_SetTextInputRect() changed to SDL_SetTextInputArea().
 //  2024-06-26: Update for SDL3 api changes: SDL_StartTextInput()/SDL_StopTextInput()/SDL_SetTextInputRect() functions signatures.
@@ -115,7 +117,8 @@ static const char* ImGui_ImplSDL3_GetClipboardText(void*)
     ImGui_ImplSDL3_Data* bd = ImGui_ImplSDL3_GetBackendData();
     if (bd->ClipboardTextData)
         SDL_free(bd->ClipboardTextData);
-    bd->ClipboardTextData = SDL_GetClipboardText();
+    const char* sdl_clipboard_text = SDL_GetClipboardText();
+    bd->ClipboardTextData = sdl_clipboard_text ? SDL_strdup(sdl_clipboard_text) : NULL;
     return bd->ClipboardTextData;
 }
 

external/imgui/imgui/docs/CHANGELOG.txt

@@ -90,6 +90,7 @@ Other changes:
   struct description data that a real application would want to use.
 - Backends: Win32: Fixed ImGuiMod_Super being mapped to VK_APPS instead of VK_LWIN||VK_RWIN.
   (#7768, #4858, #2622) [@Aemony]
+- Backends: SDL3: Update for API changes: SDL_GetClipboardText() string ownership change. (#7801)
 - Backends: SDL3: Update for API changes: SDLK_x renames and SDLK_KP_x removals (#7761, #7762)
 - Backends: SDL3: Update for API changes: SDL_GetProperty() change to SDL_GetPointerProperty(). (#7794) [@wermipls]
 - Backends: SDL2,SDL3,OSX: Update for io.SetPlatformImeDataFn() -> io.PlatformSetImeDataFn() rename.

external/sdl/CMakeLists.txt

@@ -19,8 +19,8 @@ if (NOT TARGET SDL3::SDL3)
 		#GIT_TAG 5fa9432b7d1c1722de93e1ab46e7a9569a47071e # tip 27-05-2024 - before changes made breaking sdl_image
 		#GIT_TAG 9651ca59187c16079846918483c40d6b5c2f454c # tip 09-06-2024
 		#GIT_TAG 657c0135b1ff1685afa1bad63b0417d92f4bcb46 # tip 09-06-2024
-		#GIT_TAG e949f12f63cdfcef4bdf456936ee676e0a3f9de6 # tip 18-07-2024
-		GIT_TAG d65a8146b950abe31b4fbf779f3e2fea731af9bd # tip 16-07-2024 - before string policy changes breaking imgui
+		#GIT_TAG d65a8146b950abe31b4fbf779f3e2fea731af9bd # tip 16-07-2024 - before string policy changes breaking imgui
+		GIT_TAG e949f12f63cdfcef4bdf456936ee676e0a3f9de6 # tip 18-07-2024
 
 		FIND_PACKAGE_ARGS # for the future
 	)

src/chat_gui4.cpp

@@ -753,10 +753,9 @@ float ChatGui4::render(float time_delta) {
 						if (!ImGui::IsItemFocused()) {
 							ImGui::SetKeyboardFocusHere(-1);
 						}
-						char* primary_text = SDL_GetPrimarySelectionText();
+						const char* primary_text = SDL_GetPrimarySelectionText();
 						if (primary_text != nullptr) {
 							ImGui::GetIO().AddInputCharactersUTF8(primary_text);
-							SDL_free(primary_text);
 						}
 					}
 				}